Home / 912,939.96-1,369,997.46-492,506.04

Finding the Fourth Proportional to 912,939.96, 1,369,997.46 and 492,506.04

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Solution

The fourth proportional to 912,939.96, 1,369,997.46 and 492,506.04 is: 739,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,939.96 : 1,369,997.46 = 492,506.04 : x
  2. Step 2: Convert to fraction form
    912,939.96/1,369,997.46 = 492,506.04/x
  3. Step 3: Cross multiply
    912,939.96x = 1,369,997.46 × 492,506.04
  4. Step 4: Simplify right side
    912,939.96x = 674,732,023,834.66
  5. Step 5: Solve for x
    x = 674,732,023,834.66/912,939.96
  6. Step 6: Final answer
    x = 739,076.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.